There __________a pool in the park, but now it is gone.

n’t respond to any emails _______personal information, no matter how official they look.

—When is Jack going to finish writing that program?—I don’t know ______ day in and day out.[ ]

hen Lily fainted, we could haveturned to your father for help.—Yes, sending her to hospital _________necessary.

Does Helen speak English ____—Yes. Her English is very ____.